<template>
<div>
  <!-- 面包屑导航区 -->
  <el-breadcrumb separator="/">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item><a href="/">用户管理</a></el-breadcrumb-item>
    <el-breadcrumb-item>用户列表</el-breadcrumb-item>
  </el-breadcrumb>
  <!-- 卡片视图 -->
  <el-card class="box-card">
    <el-row :gutter="20">
      <el-col :span="8">
        <el-input placeholder="请输入内容" v-model="querInfo.query" class="input-with-select" clearable @clear="getUserList">
          <el-button slot="append" @click="getUserList" icon="el-icon-search"></el-button>
        </el-input>
      </el-col>
      <el-col :span="4">
        <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
      </el-col>
    </el-row>
    <!-- 用户列表区 -->
    <el-table :data="userlist" style="width: 100%" stripe>
      <el-table-column type="index" label="#"></el-table-column>
      <el-table-column prop="username" label="姓名">
      </el-table-column>
      <el-table-column prop="email" label="邮箱">
      </el-table-column>
      <el-table-column prop="mobile" label="电话">
      </el-table-column>
      <el-table-column prop="role_name" label="角色">
      </el-table-column>
      <el-table-column label="状态">
        <template v-slot="scope">
          <el-switch v-model="scope.row.mg_state" @change="userSatteChanged(scope.row)">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template v-slot="scope">
          <!-- 修改按钮 -->
          <el-button type="primary" icon="el-icon-edit" @click="showEditDialog(scope.row.id)"></el-button><!-- 删除按钮-->
          <el-button type="danger" icon="el-icon-delete" @click="removeUserByID(scope.row.id)"></el-button>
          <!--分配角色按钮-->

          <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
            <el-button @click="setRole(scope.row)" type="warning" icon="el-icon-setting"></el-button>
          </el-tooltip>
          <!-- 分配角色的对话框 -->
          <el-dialog @close="setRoleDualogClosed" title="分配角色" :visible.sync="setRoleDialogVisible" width="50%">
            <div>
              <p>当前的用户：{{userinfo.username}}</p>
              <p>当前的角色：{{userinfo.role_name}}</p>
              <p>分配新角色
                <el-select v-model="selectedRoleId" placeholder="请选择">
                  <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
                  </el-option>
                </el-select>
              </p>
            </div>
            <span slot="footer" class="dialog-footer">
              <el-button @click="setRoleDialogVisible = false">取 消</el-button>
              <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
          </el-dialog>

        </template>

      </el-table-column>
    </el-table>

    <!-- 分页区域 -->
    <el-pagination @size-change="handlesizeChange" @current-change="handleCurrentChange" :current-page="querInfo.pagenum" :page-sizes="[1,2,5,10]" :page-size="querInfo.pagesize" layout="total, sizes,prev,pager,next,jumper" :total="total">
    </el-pagination>
    <!-- 添加用户对话 -->
    <el-dialog title="添加用户" @close="addDialogclosed" :visible.sync="addDialogVisible" width="50%">
      <!-- 内容主题区 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="adduser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog title="修改用户信息" @close="editDialogClosed" :visible.sync="editDialogVisible" width="50%">
      <!-- 内容主题区 -->
      <el-form :model="editForm" ref="editFormRef" :rules="editFormRules" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

  </el-card>
</div>
</template>

<script>
export default {
  data() {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^[a-zA-Z0-9]+([-_.][a-zA-Z0-9]+)*@[a-zA-Z0-9]+([-_.][a-zA-Z0-9]+)*\.[a-z]{2,}$/
      if (regEmail.test(value)) {
        //合法的邮箱
        return cb()
      }
      cb(new Error("请输入合法的邮箱号"))
    }
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        return cb()
      }
      cb(new Error("请输入合法的手机号"))
    }

    return {
      // 已选择的角色
      selectedRoleId:'',
      // 所有角色列表
      rolesList: [],
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      userinfo: {},
      // 修改表单校验规则
      editFormRules: {
        email: [{
            required: true,
            message: '请输入邮箱',
            trigger: 'blur'
          },
          {
            validator: checkEmail,
            message: '请输入合法的邮箱',
            trigger: 'blur'
          }
        ],
        mobile: [{
            required: true,
            message: '请输入电话',
            trigger: 'blur'
          },
          {
            validator: checkMobile,
            message: '请输入合法的手机号码',
            trigger: 'blur'
          }
        ]
      },
      // 修改表单展示数据
      editForm: {},
      // 控制修改对话框的显示与隐藏
      editDialogVisible: false,
      querInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userlist: [],
      total: 0,
      addDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules: {
        username: [{
            required: true,
            message: '请输入用户名',
            trigger: 'blur'
          },
          {
            min: 3,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        password: [{
            required: true,
            message: '请输入密码',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 15,
            message: '长度在 6 到 15 个字符',
            trigger: 'blur'
          }
        ],
        email: [{
            required: true,
            message: '请输入邮箱',
            trigger: 'blur'
          },
          {
            validator: checkEmail,
            trigger: 'blur'
          }

        ],
        mobile: [{
            required: true,
            message: '请输入手机号码',
            trigger: 'blur'
          },
          {
            validator: checkMobile,
            trigger: 'blur'
          }

        ]
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    // 分配角色对话框的关闭事件
    setRoleDualogClosed(){
      this.selectedRoleId=''
      this.userinfo={}
    },
    // 点击按钮分配角色
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择一个角色')
      }
      const {data:res} = await this.$http.put(`users/${this.userinfo.id}/role`,{
        rid:this.selectedRoleId
      })
      // console.log(res)
      if(res.meta.status !== 200)
         return this.$message.error('获取角色列表失败')
      this.$message.success('更新用户成功')
      this.getUserList()
      this.setRoleDialogVisible=false
    },
    // 展示分配角色的对话框
    async setRole(userinfo) {
      // 绑定当前行数据
      // 在展示对话，获取所有角色列表
      const {
        data: res
      } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败')
      }
      this.rolesList = res.data
      this.userinfo = userinfo
      this.setRoleDialogVisible = true
    },
    async getUserList() {
      const {
        data: res
      } = await this.$http.get('users', {
        params: this.querInfo
      })
      if (res.meta.status != 200) return this.$message.error('获取用户失败')
      // console.log(res)
      this.userlist = res.data.users
      this.total = res.data.total
    },
    handlesizeChange(newSize) {
      this.querInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange(newPage) {
      this.querInfo.pagenum = newPage
      this.getUserList()
    },
    async userSatteChanged(userinfo) {
      const {
        data: res
      } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败!')
      }
      this.$message.success('更新用户状态成功')
    },
    // 重置
    addDialogclosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击确定添加新用户
    adduser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return this.$message.error('校验失败')
        const {
          data: res
        } = await this.$http.post('users', this.addForm)
        console.log(res)
        if (res.meta.status !== 201) return this.$message.error('添加用户失败')
        this.$message.success('添加用户成功')
        this.addDialogclosed = false
        this.getUserList()
      })
    },
    // 修改用户信息提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return this.$message.error('校验失败')
        const {
          data: res
        } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        //  console.log(res)
        if (res.meta.status !== 200) return this.$message.error('更新用户失败')
        this.$message.success('更新用户成功')
        this.editDialogVisible = false
        this.getUserList()
      })
    },
    // 展示修改用户信息对话框
    async showEditDialog(id) {
      // console.log(id)
      const {
        data: res
      } = await this.$http.get('users/' + id, )
      if (res.meta.status !== 200) return this.$message.error('查询用户失败')
      this.editForm = res.data
      //  console.log(this.editForm)
      this.editDialogVisible = true
    },
    // 重置修改对话框内容
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 弹出用户删除提示框和删除操作
    removeUserByID(id) {
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        const {
          data: res
        } = await this.$http.delete('users/' + id)
        if (res.meta.status !== 200) return this.$message.error('删除失败')
        this.getUserList()
        this.$message({
          type: 'success',
          message: '删除成功!'
        });
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        });
      });
    }

  }
}
</script>

<style lang="less" scoped>
.el-pagination {
  margin-top: 20px;
}
</style>
